"Andromeda was my favourite cousin. No, Andromeda's not on here either, look. Andromeda's sisters are still here because they made lovely, respectable pure-blood marriages, but Andromeda married a Muggle-born, Ted Tonks, so -"

At some point during or after her education at Hogwarts, Andromeda met Ted Tonks, a Muggle-born wizard. Despite her family's steadfast belief in the importance of blood purity, Andromeda married Ted and was subsequently disowned and burned off the family tapestry in 12 Grimmauld Place by her aunt, parents and sisters. Statements by her sisters indicate that both of them cut off contact with Andromeda because they considered her a blood traitor for her marriage.[5]

Lupin: "Nymphadora Tonks, who prefers to be known by her surname only."

Tonks: "So would you if your fool of a mother had called you Nymphadora."

At roughly the age of twenty, Andromeda and Ted had one child, Nymphadora Tonks. Andromeda selected the name, which her daughter strongly disliked, preferring to be known simply as "Tonks" by her friends. Ted, Remus Lupin and Andromeda called her Dora for short.

Andromeda had a talent for cleanliness that her husband and daughter did not share.[4]

Second Wizarding War

Although Andromeda and Ted did not appear to be official members of the Order of the Phoenix, they allowed their home to be one of the Order's safe-houses and were supportive of the organisation to which their daughter belonged. Nymphadora married Remus Lupin in the summer of 1997; he suspected that her parents did not approve because he was a werewolf, though it is unknown if this was true; given the fact that Andromeda wasn't supremacist these suspicions of Lupin may have not been true.

After the Battle of the Seven Potters, they were instrumental in Harry Potter's moving from Privet Drive to the Burrow: Harry Potter and Rubeus Hagrid took temporary refuge in the Tonks' home, where Andromeda took care of Hagrid's injuries. She seemed somewhat offended when Harry first reacted to her as if she were her sister Bellatrix because of their resemblance. She and Ted were both very worried about their daughter when they learned that the Order was ambushed by Death Eaters when transporting Harry, though Ted tried to reassure his wife by pointing out that their daughter had been through worse in the course of her work as an Auror.

Andromeda: "What happened to our daughter? Hagrid said you were ambushed; where is Nymphadora?"

When the Ministry of Magic fell under Lord Voldemort's control in August of 1997, the magical protections around the Order safe-houses were broken. Andromeda and Ted were interrogated and tortured by Death Eaters for information pertaining to Harry Potter and the Order. Their son-in-law reported that they were "shaken, obviously, but otherwise okay"[5]. Soon after this, their daughter discovered that she was pregnant and came to stay with Andromeda and Ted, as her husband temporarily left her out of fear that he would pass on lycanthropy to their child.

The Ministry soon began persecuting Muggle-borns by forming the Muggle-Born Registration Commission, which charged Muggle-borns with having stolen their magic and their wands from "real" witches and wizards. Ted refused to register on principle and was forced to go on the run; Andromeda, as a pure-blood, was safe, and stayed with her pregnant daughter. Some time before the birth of her grandson Teddy, Andromeda was left a widow, as her husband was killed by Snatchers.

Later life

Andromeda was left with custody of her grandson, though Teddy would also spend a lot of time with his godfather, Harry Potter, and the Weasley family.[5]

Physical appearance

Bellatrix, of whom Andromeda strikingly resembles.

Andromeda is described as closely resembling her elder sister Bellatrix physically (as Harry almost attacked her thinking that she was Bellatrix), though she has light brown hair instead of dark, and has softer and wider eyes.[5] Thus, she is likely tall and bears the patrician beauty common to the Black family, aside her aforementioned eyes, of which are kinder than her eldest sister's arrogant and heavily-lidded stare.

Personality and traits

It is safe to assume, given her marriage to a Muggle-born, that Andromeda was very different from both of her sisters: while her sisters married into "respectable" pure-blood families, she married for love despite her family's opposition, leading to her family's hatred. She is clearly a good mother showing her concern about her daughter's whereabouts after the Battle of the Seven Potters and taking care of her during her pregnancy, she is also a good grandmother raising her daughter's son after her death. Apart from her husband and daughter, her cousin Sirius considered her to be his only true family, demonstrating that Andromeda always treated Sirius with respect and kindness. In addition of being a good wife, mother and grandmother, she is a good friend, because despite that she was under torture, she did not reveal anything that could harm Harry or any of her friends. Like Molly Weasley, Andromeda is a woman dedicated to her family and friends.

Magical abilities and skills

Healer: After the Battle of the Seven Potters, Harry and Hagrid took refuge in her house, where she healed Hagrid's injuries. Given Hagrid's half-giant nature, and concomitant natural magical resistance, this does imply she was a talented healer.

Household Charms: Andromeda had a talent for cleanliness, a talent that her husband and her daughter did not share.

Resistance to Dark Magic: Despite being under torture, she managed to resist and did not reveal any vital information to her attackers.

Relationships

Parents

Andromeda's relationship with her parents was likely a bad one. Because she married a muggle-born against her family's ideals of blood purity she was disowned and not considered a Black after that. It is safe to assume that her parents did not consider her as their daughter anymore and like Bellatrix and Narcissa cut off all contact with her. It is also possible that Andromeda's parents never met their granddaughter.

Husband and daughter

Andromeda's daughter, Nymphadora Tonks

Andromeda married Ted Tonks in spite of her family's hatred of Muggle-borns, which led to her being disowned[4] and shunned by her own sisters. Thus, it can be assumed that the two loved each other greatly. Ted comforted his wife when they were unsure what happened to their daughter after the Battle of the Seven Potters, reassuring her that, as an Auror, Tonks had been through worse.[5]

Andromeda and her husband, Ted, on the Black Family Tree

Nymphadora Tonks and her mother were close, though Tonks disliked the given name her "fool of a mother" gave her[4]. Andromeda was frantic with worry over her daughter's participation in the Second Wizarding War, and opted to stay with her during her pregnancy while Ted went on the run from the Muggle-Born Registration Commission. When Tonks went to fight in the Battle of Hogwarts, she left her infant son in the care of his grandmother, who would raise the boy after his parents' deaths in battle with the help of Teddy´s godfather Harry Potter.[5]

Sisters

Andromeda's younger sister, Narcissa Malfoy

It is unknown what kind of relationship Andromeda had with her older sister, Bellatrix Lestrange, and younger sister, Narcissa Malfoy, when they were younger. However, both her sisters believed in pure-blood supremacy, whereas Andromeda obviously did not, given her marriage. After she married the Muggle-born Ted, Andromeda was disowned and both her sisters cut off all contact with her[5]. Andromeda's relationship with Bellatrix was likely particularly hateful, given that Bellatrix murdered Andromeda's cousin, Sirius Black[4], as well as her daughter (though, given the circumstances, she likely didn't learn of the latter until after the the battle and her eldest sister's death). Andromeda also seemed to be offended when Harry Potter, upon first seeing her, reacted as if she were her older sister.[5] Andromeda's relationship with Narcissa, however, is unknown.

Sirius Black

Andromeda's younger cousin Sirius Black told Harry Potter in 1995 that Andromeda was his favourite cousin[4]. Like her, Sirius was considered a "blood traitor" by their family, and was disowned for his beliefs. Thus, the two were likely close in their younger years. Sirius considered Andromeda and Tonks his only, and true, family.

Harry Potter

Harry Potter in 1995

The first time Harry met Andromeda, he thought that she looked a lot like her sister Bellatrix, but with softer, kinder eyes and lighter hair. Her resemblance to Bellatrix was such that Harry attempted to attack Andromeda, but upon realising his mistake, he felt bad and apologised as her physical comparison to her sister seemed offensive to her. After Voldemort's downfall, Harry helped Andromeda raise her grandson, and his godson, Teddy Lupin. Harry liked and respected Andromeda for her ideals and because she was Tonks' mother. It is possible that after the war they would see each other regularly, and probable in such a scenario that they would develop a bond because of Teddy, Lupin and Tonks's memory. It is also highly likely that Andromeda herself was welcomed at Harry and Ginny's house as a dinner guest.

Order of the Phoenix

Andromeda wasn't an official member of the Order of the Phoenix, but nevertheless, she supported the Order's ideals (given her marriage to a Muggle-born). As her daughter and son-in-law were members, she would allow the Order use of her house as a safe house. It is likely that she has a good relation with all of the members, and as she was at Hogwarts at the same time as Arthur andMolly Weasley, so a friendship could have started there. The degree and nature of her involvment during the First Wizarding War is unknown, but it is reasonable to assume that she helped them in some way. Andromeda proved her loyalty in 1998 when she was tortured by Death Eater at her home and did not reveal anything of import regarding Harry or the Order, despite the fact that she was under torture.

Etymology

Many members of the House of Black — such as Sirius, Bellatrix and Cygnus — appear to be named after stars or constellations, and the name Andromeda follows this pattern. It is a northern constellation that contains the Andromeda Galaxy and was named after the character from Greek mythology: a princess who was chained to a rock to be sacrificed to a sea monster, as divine punishment for her mother's (Cassiopeia) boasting, but was saved by the hero Perseus, whom she then married. This may allude to Andromeda Tonks' estrangement from her aristocratic, but cruel extended family.

Out of all three sisters, Andromeda was the only sister that hasn't appeared in any of the films.

Andromeda is also the only member of the five Black cousins who hasn't appeared in the films, as her two sisters appeared in the Half-Blood Prince through to the Deathly Hallows: Part 2, Bellatrix also appearing in the Order of the Phoenix, Sirius appeared in Prisoner of Azkaban through Order of the Phoenix and in Deathly Hallows: Part 2 and a younger Regulus appeared in one of Horace Slughorn's photographs in the Half-Blood Prince.